Who are the two men over there ?They are fathers.A. Jim’s and Bob’sB. Jim’s and Bob C. Jim

问题补充：

Who are the two men over there ?

They are fathers.

A. Jim’s and Bob’s

B. Jim’s and Bob

C. Jim and Bob’s

D. Jim and Bob

答案：

(答案→)A. Jim’s and Bob’s

B. Jim’s and Bob

C. Jim and Bob’s

D. Jim and Bob

解析：句意：那儿那两人是谁？他们是吉姆和鲍勃的父亲。表示两人共有只在后一名词处用所有格，表示两人分别拥有则两个名词都要用所有格形式。很显然，本句表示两人分别拥有，所以选A。